Alongside the release of OS X 10.11.4 Beta 3, Apple has also launched OS X Server v5.1 beta 3. Similar to the previous OS X 10.11.4 Beta 2, the third build of OS X 10.11.4 is also a minor update featuring bug fixes, security improvements, as well as performance enhancements. Although, Apple is asking developers to focus on:
- iBooks
- Messages
- Notes
- Photos
OS X 10.11.4 Beta 3 is now rolling out as a free update through Software Update or via the Mac Dev Center for registered developers.